1812902365016 has 16 divisors (see below), whose sum is σ = 3413414498400. Its totient is φ = 902658498784.

The previous prime is 1812902365007. The next prime is 1812902365019. The reversal of 1812902365016 is 6105632092181.

It is a happy number.

It is a super-2 number, since 2×1812902365016² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812902365019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474083435 + ... + 474087258.

It is an arithmetic number, because the mean of its divisors is an integer number (213338406150).

Almost surely, 2^{1812902365016} is an apocalyptic number.

It is an amenable number.

1812902365016 is a deficient number, since it is larger than the sum of its proper divisors (1600512133384).

1812902365016 is a wasteful number, since it uses less digits than its factorization.

1812902365016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948170938 (or 948170934 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 1812902365016 in words is "one trillion, eight hundred twelve billion, nine hundred two million, three hundred sixty-five thousand, sixteen".